Question

write about the columnar epithelium ​

Answer 1

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Columnar epithelial

cells are tall, pillar like. Inner ends of the cells are narrow while free ends are broad and flat. Free surface shows large number of microvilli. Nucleus is oval and is present in the lower half of the cell. Function : Secretion, absorption. It is found in inner lining of intestine, gall bladder, gastric glands, intestinal glands, etc.

Answer 2

functions :

• It helps in absorption of nutrients through intestinal linings .
• It provides protection to the underlying tissues.
• Goblet cells are modified columnar epithelial cells which secrete mucus. They are found in the mucus membrane of stomach ,intestine and rectum .

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